I want to know if it is possible to install a Debian application (or an Ubuntu PPA) that is not in the Kali repository especially because I want to install a bitcoin wallet (How can I install a bitcoin wallet on Kali Linux? and here) If Kali Linux is based on Debian,doesn't it mean that after doing the correct settings and probably other modifications you can install apps from the Debian repository? Also,I would like to know if Ubuntu PPAs can be added to Kali too and if they can,what do I need to do in order for the PPA to work? I am using Kali Linux 1.0.9 64-bit on my laptop.

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    Did you try it? deb should tell you if you can install a program or not. I'm not a Debian guy, but give it a try and learn. A quick web search will show how to add repos. – SailorCire Nov 13 '14 at 18:24
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    @SailorCire that is spectacularly bad advice actually. Any apt-based distro can install .deb packages but that doesn't mean that it won't cause problems. In fact, Debian packages are often not compatible with Ubuntu-based distributions and vice versa. Mixing repositories across distributions can lead to deep dependency hell and a broken system. – terdon Nov 13 '14 at 18:26
  • @terdon You're telling me that debian based package managers don't keep track if it can satisfy a package requirement? If they can see those requirements and check for conflicts then there shouldn't be a problem. – SailorCire Nov 13 '14 at 18:30
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    @terdon Sorry, the first response was too sharp and that wasn't my goal. My point is, a package manager should be able to check if it can install a program (check for requirements and conflicts). If it can't satisfy them, then it shouldn't install it (without a force option). In the original question, if that install fails from mixing repos, then the answer to the original question is no. I agree, you can get deep into a dependency hell; however, when apt-get or whatever throws a fit that it can't meet dependencies because foo-x.y isn't available then the question gets answered. – SailorCire Nov 13 '14 at 18:42
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    @mchid yes, and my comment, as I'm sure you noticed, was not directed at the OP and was not an answer to the question. It was intended only to qualify the first comment left to the OP which suggested blindly attempting to install. That is dangerous advice and that is what I wanted to point out. – terdon Nov 14 '14 at 11:39